Home > Insider Trading > Filing (0001104659-18-002109)

Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1621563	Summit Materials Inc.	SUM	()	4

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1440948	W. Thomas Hill	C/O Summit Materials, Inc. 1550 Wynkoop Street, 3Rd Floor Denver CO 80202	President And Ceo	Yes	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Class A Common Stock	Disposition	2018-01-10	6,300	$31.03	176,810	No	4	S	Direct
Class A Common Stock	Disposition	2018-01-11	6,200	$31.45	170,610	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct
No	4	S	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Class A Common Stock	360	Indirect	See Footnote

Footnotes

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $30.94 to $31.16, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $31.17 to $31.65, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.
Reflects securities held by a trust for the benefit of Mr. Hill's family, for which Mr. Hill's spouse serves as trustee.